Just ordered one of these since getting my car back i've noticed its sits at around 70 no matter how long a drive and if i let it idle after driving for a min or 2 will hit 90.. soon as a set off goes back to 70ish i presume these are meant to sit smack bang in the middle like all bmw's?
There guide to fit anywhere? don't have a clue where they even are?
Your thermostat has failed open.
Ahh ok so changing this temp sender is the wrong thing to do? Just got mine in the post today.
Thanks for fitting advise guys,seems simples